Question

what is chemical change??..​

Answer 1

Answer:

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➣Chemical changes are also known as chemical reactions.

➣The “ingredients” of a reaction are called the reactants, and the end results are called the products.

➣ The change from reactants to products is signified by an arrow:

➥Reactants → Products

➣The formation of gas bubbles is often the result of a chemical change (except in the case of boiling, which is a physical change).

➣A chemical change might also result in the formation of a precipitate, such as the appearance of a cloudy material when dissolved substances are mixed.

Answer 2

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➤ Chemical change :-

☛ A permanent change ,in which the physical and chemical properties of matter changes and new substance are formed which do not get back into their original form by reversing the reaction is called chemical change.

For example :- The burning of coal or wood, the curdling of milk, forming of rust on iron etc.